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SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009)
[ACTIVE]

MXF “Mit Out Essence”

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
SMPTE Mot. Imag. J
Volume
118, No. 2, pp. 26–32
Abstract
The Material eXchange Format (MXF) is now deployed extensively in acquisition, post-production, delivery, and archive, and recent systems make much greater use of the metadata capabilities of the MXF file format than in the early days. One innate capability of MXF allows the file that contains the metadata to make reference to essence that is stored externally. This feature can be used to optimize both small- and large-scale systems, so that one copy of the MXF metadata can be kept with the essence for library storage and disaster recovery, and a second copy can be kept within asset management databases, enabling rapid access and manipulation. The second copy is identical to the first, except that it is very lightweight, because it contains only the MXF headers, without the essence. This paper describes a systems architecture that benefits from this approach, together with practical examples drawn from current and new installations. The paper also shows how to provide for metadata growth and addresses questions of metadata consistency and reliability using the MXF data model.
Publication Date
2009-03-01
DOI
10.5594/J14972
ISSN
Print: 1545-0279 | Electronic: 2160-2492
Link
https://doi.org/10.5594/J14972
Author(s)
Oliver Morgan
bio
Oliver Morgan has 25 years experience as an engineer, manager, and technical strategist in broadcast television, developing and introducing innovative systems for post-production. Morgan is a principal architect of the Advanced Authoring Format and the Material Exchange Format. He is a board member of the Advanced Media Workflow Association, with special responsibility for Developer members. Morgan chaired the SMPTE Wrappers and Metadata Technology Committee from its inception through the creation of the SMPTE Metadata Registry and the Material Exchange Format. He continues to participate strongly in standards activities at SMPTE and elsewhere.
Copyright
© 2009 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. SMPTE 377M– 2004 , “Material Exchange Format,” www.smpte.org . EXTERNAL
  • 2. SMPTE EG-41– 2004 , “Material Exchange Format (MXF) Engineering Guideline,” www.smpte.org . EXTERNAL
  • 3. Devlin Bruce , “Business Efficiency Using Managed MXF, IT, and Web Services (NAB 2007 BEC),” April 2007 . EXTERNAL
  • 4. SMPTE 2021–2008 , “Broadcast Exchange Format (BXF),” www.smpte.org . EXTERNAL
  • 5. Advanced Media Workflow Association, 2001 (and onwards): AAF Specification, www.amwa.tv . EXTERNAL
  • 6. Advanced Media Workflow Association, 2001 (and onwards): AAF SDK and Reference Implementations , www.amwa.tv . EXTERNAL
  • 7. Morgan Oliver , “wsMXF” Middleware for File-based Production,” presented at the 2007 SMPTE Technical Conference, Brooklyn, NY, Oct. 2007 . EXTERNAL
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Oliver Morgan; MXF “Mit Out Essence”, SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009); SMPTE, 2009. Available at https://doi.org/10.5594/J14972
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Oliver Morgan; MXF “Mit Out Essence”, SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009); SMPTE, 2009. Available at https://doi.org/10.5594/J14972

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Oliver Morgan; MXF “Mit Out Essence”, SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009); SMPTE, 2009. Available at https://doi.org/10.5594/J14972
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<span class="citation">Oliver Morgan; <cite>MXF “Mit Out Essence”</cite>, SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009); SMPTE, 2009. Available at <a href="https://doi.org/10.5594/J14972" target="_blank" rel="noopener">https://doi.org/10.5594/J14972</a></span>

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Oliver Morgan; MXF “Mit Out Essence”, SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009); SMPTE, 2009
doi: 10.5594/J14972
url: https://doi.org/10.5594/J14972
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Oliver Morgan; <cite id="bib-10-5594-j14972">MXF “Mit Out Essence”</cite>, SMPTE Motion Imaging Journal ( Volume: 118, Issue: 2, March 2009); SMPTE, 2009
<span class="doi">10.5594/J14972</span>
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